Restrict eta-conversion to inductive records, fixing bug #3310.

2 files changed, 21 insertions, 0 deletions

diff --git a/test-suite/bugs/closed/3310.v b/test-suite/bugs/closed/3310.v
new file mode 100644
index 0000000000..ee9f8edfd3
--- /dev/null
+++ b/test-suite/bugs/closed/3310.v
@@ -0,0 +1,10 @@
+Set Primitive Projections.
+
+CoInductive stream A := cons { hd : A; tl : stream A }.
+
+CoFixpoint id {A} (s : stream A) := cons _ (hd s) (id (tl s)).
+
+Lemma id_spec : forall A (s : stream A), id s = s.
+Proof.
+intros A s.
+Fail Timeout 1 change (id s) with (cons _ (hd (id s)) (tl (id s))).
diff --git a/test-suite/bugs/closed/3482.v b/test-suite/bugs/closed/3482.v
new file mode 100644
index 0000000000..34a5e73da7
--- /dev/null
+++ b/test-suite/bugs/closed/3482.v
@@ -0,0 +1,11 @@
+Set Primitive Projections.
+Class Foo (F : False) := { foo : True }.
+Arguments foo F {Foo}.
+Print Implicit foo. (* foo : forall F : False, Foo F -> True
+
+Argument Foo is implicit and maximally inserted *)
+Check foo _. (* Toplevel input, characters 6-11:
+Error: Illegal application (Non-functional construction):
+The expression "foo" of type "True"
+cannot be applied to the term
+ "?36" : "?35" *)
\ No newline at end of file